Footwear upper



FIG. 1 is a top plan view of a preferred embodiment of a footwear upper showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a back elevational view thereof.

The broken line showing the upper in the figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a footwear upper, as shown and described. 